import java.io.*;
import java.util.*;
import freemarker.template.*;
-import com.javaexchange.dbConnectionBroker.*;
+import com.codestudio.sql.*;
+import com.codestudio.util.*;
+
import mir.storage.StorageObject;
+import mir.storage.store.*;
import mir.entity.*;
import mir.misc.*;
*/
public class Database implements StorageObject {
- protected DbConnectionBroker myBroker;
protected String theTable;
protected String theCoreTable=null;
protected String thePKeyName="id";
- protected int thePKeyType;
+ protected int thePKeyType, thePKeyIndex;
protected boolean evaluatedMetaData=false;
- protected ArrayList metadataFields,metadataLabels,metadataNotNullFields;
+ protected ArrayList metadataFields,metadataLabels,
+ metadataNotNullFields;
protected int[] metadataTypes;
protected Class theEntityClass;
protected StorageObject myselfDatabase;
- protected HashMap cache;
protected SimpleList popupCache=null;
- protected boolean hasPopupCache = false;
+ protected boolean hasPopupCache = false;
protected SimpleHash hashCache=null;
protected boolean hasTimestamp=true;
- private String database_driver;
- private String database_url;
+ private String database_driver, database_url;
private int defaultLimit;
- private DatabaseAdaptor theAdaptor;
+ protected DatabaseAdaptor theAdaptor;
protected Logfile theLog;
- protected Connection con;
+ private static Class GENERIC_ENTITY_CLASS=null,
+ STORABLE_OBJECT_ENTITY_CLASS=null;
+ private static SimpleHash POPUP_EMTYLINE=new SimpleHash();
+ protected static final ObjectStore o_store=ObjectStore.getInstance();
+
+ static {
+ // always same object saves a little space
+ POPUP_EMTYLINE.put("key", ""); POPUP_EMTYLINE.put("value", "--");
+ try {
+ GENERIC_ENTITY_CLASS = Class.forName("mir.entity.StorableObjectEntity");
+ STORABLE_OBJECT_ENTITY_CLASS = Class.forName("mir.entity.StorableObjectEntity");
+ }
+ catch (Exception e) {
+ System.err.println("FATAL: Database.java could not initialize" + e.toString());
+ }
+ }
+
/**
* Kontruktor bekommt den Filenamen des Konfigurationsfiles übergeben.
*
* @param String confFilename Dateiname der Konfigurationsdatei
*/
- public Database() {
- theLog = Logfile.getInstance(MirConfig.getProp("Home") + MirConfig.getProp("Database.Logfile"));
- String database_username=MirConfig.getProp("Database.Username");
- String database_password=MirConfig.getProp("Database.Password");
- String database_host=MirConfig.getProp("Database.Host");
+ public Database() throws StorageObjectException {
+ theLog = Logfile.getInstance(MirConfig.getProp("Home")+
+ MirConfig.getProp("Database.Logfile"));
String theAdaptorName=MirConfig.getProp("Database.Adaptor");
+ defaultLimit = Integer.parseInt(MirConfig.getProp("Database.Limit"));
try {
- theEntityClass = Class.forName("mir.entity.GenericEntity");
+ theEntityClass = GENERIC_ENTITY_CLASS;
theAdaptor = (DatabaseAdaptor)Class.forName(theAdaptorName).newInstance();
- defaultLimit = Integer.parseInt(MirConfig.getProp("Database.Limit"));
+ } catch (Exception e){
+ theLog.printError("Error in Database() constructor with "+
+ theAdaptorName + " -- " +e.toString());
+ throw new StorageObjectException("Error in Database() constructor with "
+ +e.toString());
+ }
+ /*String database_username=MirConfig.getProp("Database.Username");
+ String database_password=MirConfig.getProp("Database.Password");
+ String database_host=MirConfig.getProp("Database.Host");
+ try {
database_driver=theAdaptor.getDriver();
- database_url=theAdaptor.getURL(database_username,database_password,database_host);
- theLog.printDebugInfo("adding Broker with: " +database_driver+":"+database_url );
+ database_url=theAdaptor.getURL(database_username,database_password,
+ database_host);
+ theLog.printDebugInfo("adding Broker with: " +database_driver+":"+
+ database_url );
MirConfig.addBroker(database_driver,database_url);
- myBroker=MirConfig.getBroker();
- }
- catch (Exception e){
- theLog.printError("Bei Konstruktion von Database() with " + theAdaptorName + " -- " +e.toString());
- }
+ //myBroker=MirConfig.getBroker();
+ }*/
}
/**
/*
* Dient dazu vererbte Tabellen bei objectrelationalen DBMS
- * zu speichern, wenn die id einer Tabelle in der parenttabelle verwaltet wird.
+ * zu speichern, wenn die id einer Tabelle in der parenttabelle verwaltet
+ * wird.
* @return liefert theCoreTabel als String zurueck, wenn gesetzt, sonst
* the Table
*/
/*
- * Uebersetzt die Datenbankwerte in einen String.
+ * Gets value out of ResultSet according to type and converts to String
* @param inValue Wert aus ResultSet.
* @param aType Datenbanktyp.
* @return liefert den Wert als String zurueck. Wenn keine Umwandlung moeglich
outValue = new Integer(out).toString();
break;
case java.sql.Types.NUMERIC:
+ /** @todo Numeric can be float or double depending upon
+ * metadata.getScale() / especially with oracle */
long outl = rs.getLong(valueIndex);
if (!rs.wasNull())
outValue = new Long(outl).toString();
break;
case java.sql.Types.CHAR:case java.sql.Types.VARCHAR:case java.sql.Types.LONGVARCHAR:
outValue = rs.getString(valueIndex);
- if (outValue != null)
- outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
+ //if (outValue != null)
+ //outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
break;
case java.sql.Types.LONGVARBINARY:
outValue = rs.getString(valueIndex);
- if (outValue != null)
- outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
+ //if (outValue != null)
+ //outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
break;
case java.sql.Types.TIMESTAMP:
- Timestamp timestamp = (rs.getTimestamp(valueIndex));
+ //Timestamp timestamp = (rs.getTimestamp(valueIndex));
+ //jbdc drops time zone info,
+ //so just get the string from
+ //postgres
+ String timestamp = (rs.getString(valueIndex));
if (!rs.wasNull()) {
- outValue = timestamp.toString();
+ outValue = timestamp;
}
break;
default:
* @param id Primaerschluessel des Datensatzes.
* @return liefert EntityObject des gefundenen Datensatzes oder null.
*/
- public Entity selectById(String id)
- throws StorageObjectException {
-
+ public Entity selectById(String id) throws StorageObjectException
+ {
if (id==null||id.equals(""))
- throw new StorageObjectException("id war null");
- if (cache != null && cache.containsKey(id))
- return (Entity)cache.get(id); // wenn cache gesetzt, evtl. kein roundtrip zur Datenbank
+ throw new StorageObjectException("id war null");
+
+ // ask object store for object
+ if ( StoreUtil.implementsStorableObject(theEntityClass) ) {
+ String uniqueId = id;
+ if ( theEntityClass.equals(StorableObjectEntity.class) )
+ uniqueId+="@"+theTable;
+ StoreIdentifier search_sid = new StoreIdentifier(theEntityClass, uniqueId);
+ theLog.printDebugInfo("CACHE: (dbg) looking for sid " + search_sid.toString());
+ Entity hit = (Entity)o_store.use(search_sid);
+ if ( hit!=null ) return hit;
+ }
Statement stmt=null;Connection con=getPooledCon();
Entity returnEntity=null;
try {
ResultSet rs;
+ /** @todo better prepared statement */
String selectSql = "select * from " + theTable + " where " + thePKeyName + "=" + id;
stmt = con.createStatement();
rs = executeSql(stmt, selectSql);
returnEntity = makeEntityFromResultSet(rs);
else theLog.printDebugInfo("Keine daten fuer id: " + id + "in Tabelle" + theTable);
rs.close();
- } else {
- theLog.printDebugInfo("No Data for Id " + id + " in Table " + theTable);
- }
- } catch (SQLException sqe){
- throwSQLException(sqe,"selectById"); return null;
- } catch (NumberFormatException e) {
- theLog.printError("ID ist keine Zahl: " + id);
- } finally {
- freeConnection(con,stmt);
- }
+ }
+ else {
+ theLog.printDebugInfo("No Data for Id " + id + " in Table " + theTable);
+ }
+ }
+ catch (SQLException sqe){
+ throwSQLException(sqe,"selectById"); return null;
+ }
+ catch (NumberFormatException e) {
+ theLog.printError("ID ist keine Zahl: " + id);
+ }
+ finally { freeConnection(con,stmt); }
+ /** @todo OS: Entity should be saved in ostore */
return returnEntity;
}
+
/**
* select-Operator um Datensaetze zu bekommen, die key = value erfuellen.
* @param key Datenbankfeld der Bedingung.
* @param value Wert die der key anehmen muss.
* @return EntityList mit den gematchten Entities
*/
-
public EntityList selectByFieldValue(String aField, String aValue)
- throws StorageObjectException {
-
+ throws StorageObjectException
+ {
return selectByFieldValue(aField, aValue, 0);
}
* @param offset Gibt an ab welchem Datensatz angezeigt werden soll.
* @return EntityList mit den gematchten Entities
*/
-
public EntityList selectByFieldValue(String aField, String aValue, int offset)
- throws StorageObjectException {
-
+ throws StorageObjectException
+ {
return selectByWhereClause(aField + "=" + aValue, offset);
}
* @exception StorageObjectException
*/
public EntityList selectByWhereClause(String where)
- throws StorageObjectException {
-
+ throws StorageObjectException
+ {
return selectByWhereClause(where, 0);
}
* @exception StorageObjectException
*/
public EntityList selectByWhereClause(String whereClause, int offset)
- throws StorageObjectException {
-
+ throws StorageObjectException
+ {
return selectByWhereClause(whereClause, null, offset);
}
+
/**
* select-Operator liefert eine EntityListe mit den gematchten Datensätzen zurück.
* Also offset wird der erste Datensatz genommen.
*/
public EntityList selectByWhereClause(String where, String order)
- throws StorageObjectException {
-
+ throws StorageObjectException {
return selectByWhereClause(where, order, 0);
}
+
+
/**
* select-Operator liefert eine EntityListe mit den gematchten Datensätzen zurück.
* Als maximale Anzahl wird das Limit auf der Konfiguration genommen.
*/
public EntityList selectByWhereClause(String whereClause, String orderBy, int offset)
- throws StorageObjectException {
-
+ throws StorageObjectException {
return selectByWhereClause(whereClause, orderBy, offset, defaultLimit);
}
*/
public EntityList selectByWhereClause(String wc, String ob, int offset, int limit)
- throws StorageObjectException {
+ throws StorageObjectException
+ {
+
+ // check o_store for entitylist
+ if ( StoreUtil.implementsStorableObject(theEntityClass) ) {
+ StoreIdentifier search_sid =
+ new StoreIdentifier( theEntityClass,
+ StoreContainerType.STOC_TYPE_ENTITYLIST,
+ StoreUtil.getEntityListUniqueIdentifierFor(theTable,wc,ob,offset,limit) );
+ EntityList hit = (EntityList)o_store.use(search_sid);
+ if ( hit!=null ) {
+ theLog.printDebugInfo("CACHE (hit): " + search_sid.toString());
+ return hit;
+ }
+ }
// local
EntityList theReturnList=null;
- Connection con=null;
- Statement stmt=null;
+ Connection con=null; Statement stmt=null;
ResultSet rs;
- int offsetCount = 0;
- int count=0;
-
+ int offsetCount = 0, count=0;
// build sql-statement
+
+ /** @todo count sql string should only be assembled if we really count
+ * see below at the end of method //rk */
+
if (wc != null && wc.length() == 0) {
wc = null;
}
}
}
- // execute sql
+ // execute sql
try {
con = getPooledCon();
stmt = con.createStatement();
- // counting rows
- if (theAdaptor.hasLimit()) {
- rs = executeSql(stmt, countSql.toString());
- if (rs != null) {
- if (rs.next())
- count = rs.getInt(1);
- rs.close();
- }
- else
- theLog.printError("Mh. Konnte nicht zaehlen: " + countSql);
- }
- // hier select
+
+ // selecting...
rs = executeSql(stmt, selectSql.toString());
if (rs != null) {
+ if (!evaluatedMetaData) evalMetaData(rs.getMetaData());
+
theReturnList = new EntityList();
- if (evaluatedMetaData == false) {
- evalMetaData(rs.getMetaData());
- }
Entity theResultEntity;
while (rs.next()) {
theResultEntity = makeEntityFromResultSet(rs);
}
rs.close();
}
- // making entitylist
- if (!(theAdaptor.hasLimit()))
- count = offsetCount;
+
+ // making entitylist infos
+ if (!(theAdaptor.hasLimit())) count = offsetCount;
+
if (theReturnList != null) {
+ // now we decide if we have to know an overall count...
+ count=offsetCount;
+ if (limit > -1 && offset > -1) {
+ if (offsetCount==limit) {
+ /** @todo counting should be deffered to entitylist
+ * getSize() should be used */
+ rs = executeSql(stmt, countSql.toString());
+ if (rs != null) {
+ if ( rs.next() ) count = rs.getInt(1);
+ rs.close();
+ }
+ else theLog.printError("Could not count: " + countSql);
+ }
+ }
theReturnList.setCount(count);
theReturnList.setOffset(offset);
theReturnList.setWhere(wc);
theReturnList.setOrder(ob);
- if (offset >= limit) {
+ theReturnList.setStorage(this);
+ theReturnList.setLimit(limit);
+ if ( offset >= limit )
theReturnList.setPrevBatch(offset - limit);
- }
- if (offset + offsetCount < count) {
+ if ( offset+offsetCount < count )
theReturnList.setNextBatch(offset + limit);
- }
+ if ( StoreUtil.implementsStorableObject(theEntityClass) ) {
+ StoreIdentifier sid=theReturnList.getStoreIdentifier();
+ theLog.printDebugInfo("CACHE (add): " + sid.toString());
+ o_store.add(sid);
+ }
}
- } catch (SQLException sqe) {
- throwSQLException(sqe, "selectByWhereClause");
- } finally {
- freeConnection(con, stmt);
}
+ catch (SQLException sqe) { throwSQLException(sqe, "selectByWhereClause"); }
+ finally { freeConnection(con, stmt); }
+
return theReturnList;
}
+
/**
* Bastelt aus einer Zeile der Datenbank ein EntityObjekt.
*
* @param rs Das ResultSetObjekt.
* @return Entity Die Entity.
*/
-
- public Entity makeEntityFromResultSet (ResultSet rs) throws StorageObjectException {
+ private Entity makeEntityFromResultSet (ResultSet rs)
+ throws StorageObjectException
+ {
+ /** @todo OS: get Pkey from ResultSet and consult ObjectStore */
HashMap theResultHash = new HashMap();
String theResult = null;
int theType;
int size = metadataFields.size();
for (int i = 0; i < size; i++) {
// alle durchlaufen bis nix mehr da
+
theType = metadataTypes[i];
if (theType == java.sql.Types.LONGVARBINARY) {
- InputStream us = rs.getAsciiStream(i + 1);
+/* InputStream us = rs.getAsciiStream(i + 1);
if (us != null) {
InputStreamReader is = new InputStreamReader(us);
char[] data = new char[32768];
}
is.close();
theResult = theResultString.toString();
+
+ theResult = null;
}
else {
theResult = null;
}
+*/ theResult = null;
}
else {
theResult = getValueAsString(rs, (i + 1), theType);
theResultHash.put(metadataFields.get(i), theResult);
}
}
- if (cache != null && theResultHash.containsKey(thePKeyName) && cache.containsKey((String)theResultHash.get(thePKeyName))) {
- //theLog.printDebugInfo("CACHE: (out) "+ theResultHash.get(thePKeyName)+ " :"+theTable);
- returnEntity = (Entity)cache.get((String)theResultHash.get(thePKeyName));
- }
- else {
- if (theEntityClass != null) {
- returnEntity = (Entity)theEntityClass.newInstance();
- returnEntity.setValues(theResultHash);
- returnEntity.setStorage(myselfDatabase);
- if (cache != null) {
- //theLog.printDebugInfo("CACHE: ( in) " + returnEntity.getId() + " :"+theTable);
- cache.put(returnEntity.getId(), returnEntity);
- }
- }
- else {
- throwStorageObjectException("Interner Fehler theEntityClass nicht gesetzt!");
- }
- }
- } // try
- catch (IllegalAccessException e) {
+ if (theEntityClass != null) {
+ returnEntity = (Entity)theEntityClass.newInstance();
+ returnEntity.setValues(theResultHash);
+ returnEntity.setStorage(myselfDatabase);
+ if ( returnEntity instanceof StorableObject ) {
+ theLog.printDebugInfo("CACHE: ( in) " + returnEntity.getId() + " :"+theTable);
+ o_store.add(((StorableObject)returnEntity).getStoreIdentifier());
+ }
+ } else {
+ throwStorageObjectException("Internal Error: theEntityClass not set!");
+ }
+ } catch (IllegalAccessException e) {
throwStorageObjectException("Kein Zugriff! -- " + e.toString());
- } catch (IOException e) {
+/* } catch (IOException e) {
throwStorageObjectException("IOException! -- " + e.toString());
- } catch (InstantiationException e) {
+*/ } catch (InstantiationException e) {
throwStorageObjectException("Keine Instantiiierung! -- " + e.toString());
- } catch (SQLException sqe) {
+/* } catch (SQLException sqe) {
throwSQLException(sqe, "makeEntityFromResultSet");
return null;
- }
+*/ }
return returnEntity;
}
* @return der Wert des Primary-keys der eingefügten Entity
*/
public String insert (Entity theEntity) throws StorageObjectException {
- String returnId = "0";
- Connection con = null;
- PreparedStatement pstmt = null;
//cache
invalidatePopupCache();
- try {
- HashMap theEntityValues = theEntity.getValues();
+
+ // invalidating all EntityLists corresponding with theEntityClass
+ if ( StoreUtil.implementsStorableObject(theEntityClass) ) {
+ StoreContainerType stoc_type =
+ StoreContainerType.valueOf( theEntityClass,
+ StoreContainerType.STOC_TYPE_ENTITYLIST);
+ o_store.invalidate(stoc_type);
+ }
+
+ String returnId = null;
+ Connection con = null; PreparedStatement pstmt = null;
+
+ try {
ArrayList streamedInput = theEntity.streamedInput();
StringBuffer f = new StringBuffer();
StringBuffer v = new StringBuffer();
aValue = "?";
}
else {
- if (theEntityValues.containsKey(aField)) {
- aValue = "'" + StringUtil.quote((String)theEntityValues.get(aField))
+ if (theEntity.hasValueForField(aField)) {
+ aValue = "'" + StringUtil.quote((String)theEntity.getValue(aField))
+ "'";
}
}
pstmt = con.prepareStatement(sql);
if (streamedInput != null) {
for (int i = 0; i < streamedInput.size(); i++) {
- String inputString = (String)theEntityValues.get(streamedInput.get(i));
+ String inputString = (String)theEntity.getValue((String)streamedInput.get(i));
pstmt.setBytes(i + 1, inputString.getBytes());
}
}
- pstmt.execute();
+ int ret = pstmt.executeUpdate();
+ if(ret == 0){
+ //insert failed
+ return null;
+ }
pstmt = con.prepareStatement(theAdaptor.getLastInsertSQL((Database)myselfDatabase));
ResultSet rs = pstmt.executeQuery();
rs.next();
}
freeConnection(con, pstmt);
}
+ /** @todo store entity in o_store */
return returnId;
}
*
* @param theEntity
*/
- public void update (Entity theEntity) throws StorageObjectException {
- Connection con = null;
- PreparedStatement pstmt = null;
+ public void update (Entity theEntity) throws StorageObjectException
+ {
+ Connection con = null; PreparedStatement pstmt = null;
+ /** @todo this is stupid: why do we prepare statement, when we
+ * throw it away afterwards. should be regular statement
+ * update/insert could better be one routine called save()
+ * that chooses to either insert or update depending if we
+ * have a primary key in the entity. i don't know if we
+ * still need the streamed input fields. // rk */
+
+ /** @todo extension: check if Entity did change, otherwise we don't need
+ * the roundtrip to the database */
+
+ /** invalidating corresponding entitylists in o_store*/
+ if ( StoreUtil.implementsStorableObject(theEntityClass) ) {
+ StoreContainerType stoc_type =
+ StoreContainerType.valueOf( theEntityClass,
+ StoreContainerType.STOC_TYPE_ENTITYLIST);
+ o_store.invalidate(stoc_type);
+ }
+
ArrayList streamedInput = theEntity.streamedInput();
- HashMap theEntityValues = theEntity.getValues();
String id = theEntity.getId();
String aField;
StringBuffer fv = new StringBuffer();
// only normal cases
if (!(aField.equals(thePKeyName) || aField.equals("webdb_create") ||
aField.equals("webdb_lastchange") || (streamedInput != null && streamedInput.contains(aField)))) {
- if (theEntityValues.containsKey(aField)) {
+ if (theEntity.hasValueForField(aField)) {
if (firstField == false) {
fv.append(", ");
}
else {
firstField = false;
}
- fv.append(aField).append("='").append(StringUtil.quote((String)theEntityValues.get(aField))).append("'");
+ fv.append(aField).append("='").append(StringUtil.quote((String)theEntity.getValue(aField))).append("'");
}
}
}
pstmt = con.prepareStatement(sql.toString());
if (streamedInput != null) {
for (int i = 0; i < streamedInput.size(); i++) {
- String inputString = (String)theEntityValues.get(streamedInput.get(i));
+ String inputString = theEntity.getValue((String)streamedInput.get(i));
pstmt.setBytes(i + 1, inputString.getBytes());
}
}
* @return boolean liefert true zurueck, wenn loeschen erfolgreich war.
*/
public boolean delete (String id) throws StorageObjectException {
- Statement stmt = null;
- Connection con = null;
- String sql;
- int res = 0;
- // loeschen des caches
+
invalidatePopupCache();
- sql = "delete from " + theTable + " where " + thePKeyName + "='" + id +
- "'";
+ // ostore send notification
+ if ( StoreUtil.implementsStorableObject(theEntityClass) ) {
+ String uniqueId = id;
+ if ( theEntityClass.equals(StorableObjectEntity.class) )
+ uniqueId+="@"+theTable;
+ theLog.printInfo("CACHE: (del) " + id);
+ StoreIdentifier search_sid =
+ new StoreIdentifier(theEntityClass, StoreContainerType.STOC_TYPE_ENTITY, uniqueId);
+ o_store.invalidate(search_sid);
+ }
+
+ /** @todo could be prepared Statement */
+ Statement stmt = null; Connection con = null;
+ int res = 0;
+ String sql="delete from "+theTable+" where "+thePKeyName+"='"+id+"'";
theLog.printInfo("DELETE " + sql);
try {
- con = getPooledCon();
- stmt = con.createStatement();
+ con = getPooledCon(); stmt = con.createStatement();
res = stmt.executeUpdate(sql);
- } catch (SQLException sqe) {
- throwSQLException(sqe, "delete");
- } finally {
- freeConnection(con, stmt);
- }
- if (cache != null) {
- theLog.printInfo("CACHE: deleted " + id);
- cache.remove(id);
}
+ catch (SQLException sqe) { throwSQLException(sqe, "delete"); }
+ finally { freeConnection(con, stmt); }
+
return (res > 0) ? true : false;
}
* eine SimpleList mit Standard-Popupdaten erzeugt werden koennen soll.
* @return null
*/
- public SimpleList getPopupData () {
+ public SimpleList getPopupData () throws StorageObjectException {
return null;
}
* @param hasNullValue Wenn true wird eine leerer Eintrag fuer die Popups erzeugt.
* @return SimpleList Gibt freemarker.template.SimpleList zurueck.
*/
- public SimpleList getPopupData (String name, boolean hasNullValue) {
+ public SimpleList getPopupData (String name, boolean hasNullValue)
+ throws StorageObjectException {
return getPopupData(name, hasNullValue, null);
}
* @param where Schraenkt die Selektion der Datensaetze ein.
* @return SimpleList Gibt freemarker.template.SimpleList zurueck.
*/
- public SimpleList getPopupData (String name, boolean hasNullValue, String where) {
- return getPopupData(name, hasNullValue, where, null);
+ public SimpleList getPopupData (String name, boolean hasNullValue, String where) throws StorageObjectException {
+ return getPopupData(name, hasNullValue, where, null);
}
/**
* @param order Gibt ein Feld als Sortierkriterium an.
* @return SimpleList Gibt freemarker.template.SimpleList zurueck.
*/
- public SimpleList getPopupData (String name, boolean hasNullValue, String where,
- String order) {
+ public SimpleList getPopupData (String name, boolean hasNullValue, String where, String order) throws StorageObjectException {
// caching
if (hasPopupCache && popupCache != null)
return popupCache;
Connection con = null;
Statement stmt = null;
// build sql
- StringBuffer sql = new StringBuffer("select ").append(thePKeyName).append(",").append(name).append(" from ").append(theTable);
+ StringBuffer sql = new StringBuffer("select ").append(thePKeyName)
+ .append(",").append(name).append(" from ")
+ .append(theTable);
if (where != null && !(where.length() == 0))
sql.append(" where ").append(where);
sql.append(" order by ");
// execute sql
try {
con = getPooledCon();
+ } catch (Exception e) {
+ throw new StorageObjectException(e.toString());
+ }
+ try {
stmt = con.createStatement();
ResultSet rs = executeSql(stmt, sql.toString());
+
if (rs != null) {
- if (evaluatedMetaData == false)
- get_meta_data();
+ if (!evaluatedMetaData) get_meta_data();
simpleList = new SimpleList();
+ // if popup has null-selector
+ if (hasNullValue) simpleList.add(POPUP_EMTYLINE);
+
SimpleHash popupDict;
- if (hasNullValue) {
- popupDict = new SimpleHash();
- popupDict.put("key", "");
- popupDict.put("value", "--");
- simpleList.add(popupDict);
- }
while (rs.next()) {
popupDict = new SimpleHash();
popupDict.put("key", getValueAsString(rs, 1, thePKeyType));
rs.close();
}
} catch (Exception e) {
- theLog.printDebugInfo(e.toString());
+ theLog.printError("getPopupData: "+e.toString());
+ throw new StorageObjectException(e.toString());
} finally {
freeConnection(con, stmt);
}
- if (hasPopupCache) {
- popupCache = simpleList;
- }
+
+ if (hasPopupCache) popupCache = simpleList;
return simpleList;
}
* @return SimpleHash mit den Tabellezeilen.
*/
public SimpleHash getHashData () {
+ /** @todo dangerous! this should have a flag to be enabled, otherwise
+ * very big Hashes could be returned */
if (hashCache == null) {
try {
hashCache = HTMLTemplateProcessor.makeSimpleHash(selectByWhereClause("",
/* invalidates the popupCache
*/
- private void invalidatePopupCache () {
-
+ protected void invalidatePopupCache () {
/** @todo invalidates toooo much */
popupCache = null;
hashCache = null;
* @param stmt Statemnt
* @param sql Sql-String
* @return ResultSet
- * @exception StorageObjectException, SQLException
+ * @exception StorageObjectException
*/
- public ResultSet executeSql (Statement stmt, String sql) throws StorageObjectException,
- SQLException {
- long startTime = (new java.util.Date()).getTime();
- ResultSet rs = stmt.executeQuery(sql);
- theLog.printInfo((new java.util.Date().getTime() - startTime) + "ms. for: "
+ public ResultSet executeSql (Statement stmt, String sql)
+ throws StorageObjectException, SQLException
+ {
+ long startTime = System.currentTimeMillis();
+ ResultSet rs;
+ try {
+ rs = stmt.executeQuery(sql);
+ theLog.printInfo((System.currentTimeMillis() - startTime) + "ms. for: "
+ sql);
+ }
+ catch (SQLException e)
+ {
+ theLog.printDebugInfo("Failed: " + (System.currentTimeMillis()
+ - startTime) + "ms. for: "+ sql);
+ throw e;
+ }
+
return rs;
}
* @return Liefert ResultSet des Statements zurueck.
* @exception StorageObjectException, SQLException
*/
- public ResultSet executeSql (PreparedStatement stmt) throws StorageObjectException,
- SQLException {
+ public ResultSet executeSql (PreparedStatement stmt)
+ throws StorageObjectException, SQLException {
+
long startTime = (new java.util.Date()).getTime();
ResultSet rs = stmt.executeQuery();
theLog.printInfo((new java.util.Date().getTime() - startTime) + "ms.");
return rs;
}
- /**
+ /**
* returns the number of rows in the table
*/
public int getSize(String where)
throws SQLException,StorageObjectException
{
- long startTime = (new java.util.Date()).getTime();
+ long startTime = System.currentTimeMillis();
String sql = "SELECT count(*) FROM "+ theTable + " where " + where;
- //theLog.printDebugInfo("trying: "+ sql);
Connection con = null;
Statement stmt = null;
int result = 0;
} finally {
freeConnection(con,stmt);
}
- theLog.printInfo(theTable + " has "+ result +" rows where " + where);
- theLog.printInfo((new java.util.Date().getTime() - startTime) + "ms. for: " + sql);
+ //theLog.printInfo(theTable + " has "+ result +" rows where " + where);
+ theLog.printInfo((System.currentTimeMillis() - startTime) + "ms. for: "
+ + sql);
return result;
}
public int executeUpdate(Statement stmt, String sql)
throws StorageObjectException, SQLException
{
+ int rs;
long startTime = (new java.util.Date()).getTime();
- //theLog.printDebugInfo("trying: "+ sql);
- int rs = stmt.executeUpdate(sql);
- theLog.printInfo((new java.util.Date().getTime() - startTime) + "ms. for: " + sql);
+ try
+ {
+ rs = stmt.executeUpdate(sql);
+ theLog.printInfo((new java.util.Date().getTime() - startTime) + "ms. for: "
+ + sql);
+ }
+ catch (SQLException e)
+ {
+ theLog.printDebugInfo("Failed: " + (new java.util.Date().getTime()
+ - startTime) + "ms. for: "+ sql);
+ throw e;
+ }
return rs;
}
pstmt = con.prepareStatement(sql);
result = pstmt.executeUpdate();
}
- catch (Exception e) {theLog.printDebugInfo("settimage :: setImage gescheitert: "+e.toString());}
- finally { freeConnection(con,pstmt); }
- theLog.printInfo((new java.util.Date().getTime() - startTime) + "ms. for: " + sql);
+ catch (Exception e) {
+ theLog.printDebugInfo("settimage :: setImage gescheitert: "+e.toString());
+ throw new StorageObjectException("executeUpdate failed: "+e.toString());
+ }
+ finally { freeConnection(con,pstmt); }
+ theLog.printInfo((new java.util.Date().getTime() - startTime) + "ms. for: "
+ + sql);
return result;
}
* @param md ResultSetMetaData
* @exception StorageObjectException
*/
- private void evalMetaData (ResultSetMetaData md) throws StorageObjectException {
+ private void evalMetaData (ResultSetMetaData md)
+ throws StorageObjectException {
+
this.evaluatedMetaData = true;
this.metadataFields = new ArrayList();
this.metadataLabels = new ArrayList();
aType = md.getColumnType(i);
metadataTypes[i - 1] = aType;
if (aField.equals(thePKeyName)) {
- thePKeyType = aType;
+ thePKeyType = aType; thePKeyIndex = i;
}
if (md.isNullable(i) == md.columnNullable) {
metadataNotNullFields.add(aField);
}
}
- /**
- * Datenbankverbindung wird geschlossen
- */
- public void disconnectPool () {
- try {
- myBroker.destroy(100);
- } catch (SQLException sqe) {
- ;
- }
- }
- /**
- * Liefert ein Connection-Objekt aus dem ConnectionPool.
- * @return Connection Objekt.
- */
- public Connection getPooledCon () throws StorageObjectException {
- if (myBroker != null) {
- Connection con = myBroker.getConnection();
- if (con != null)
- return con;
+ public Connection getPooledCon() throws StorageObjectException {
+ /* @todo , doublecheck but I'm pretty sure that this is unnecessary. -mh
+ try{
+ Class.forName("com.codestudio.sql.PoolMan").newInstance();
+ } catch (Exception e){
+ throw new StorageObjectException("Could not find the PoolMan Driver"
+ +e.toString());
+ }*/
+ Connection con = null;
+ try{
+ con = SQLManager.getInstance().requestConnection();
+ } catch(SQLException e){
+ theLog.printError("could not connect to the database "+e.toString());
+ System.err.println("could not connect to the database "+e.toString());
+ throw new StorageObjectException("Could not connect to the database"+
+ e.toString());
}
- throw new StorageObjectException("KEINE VERBINDUNG ZUR DATENBANK");
+ return con;
}
- /**
- * Connection und StatementObjekt werden geschlossen und an den Connectionpool
- * zurückgeben
- * @param con Connection zur Datenbank
- * @param stmt Statement-Objekt
- */
- public void freeConnection (Connection con, Statement stmt) {
- try {
- if (stmt != null)
- stmt.close();
- } catch (SQLException e1) {
- theLog.printDebugInfo(e1.toString());
- }
- if (con != null)
- myBroker.freeConnection(con);
- else
- theLog.printDebugInfo("Con was null!");
+ public void freeConnection (Connection con, Statement stmt)
+ throws StorageObjectException {
+ SQLManager.getInstance().closeStatement(stmt);
+ SQLManager.getInstance().returnConnection(con);
}
/**
* @param wo Funktonsname, in der die SQLException geworfen wurde
* @exception StorageObjectException
*/
- void throwSQLException (SQLException sqe, String wo) throws StorageObjectException {
+ protected void throwSQLException (SQLException sqe, String wo)
+ throws StorageObjectException {
String state = "";
String message = "";
int vendor = 0;
sqe.toString());
}
+ protected void _throwStorageObjectException (Exception e, String wo)
+ throws StorageObjectException {
+ if (e != null) {
+ theLog.printError(e.toString()+ wo);
+ throw new StorageObjectException(wo + e.toString());
+ } else {
+ theLog.printError(wo);
+ throw new StorageObjectException(wo);
+ }
+
+ }
+
/**
- * Loggt Fehlermeldung mit dem Parameter Message und wirft dannach eine StorageObjectException
+ * Loggt Fehlermeldung mit dem Parameter Message und wirft dannach
+ * eine StorageObjectException
* @param message Nachricht mit dem Fehler
* @exception StorageObjectException
*/
- void throwStorageObjectException (String message) throws StorageObjectException {
- theLog.printError(message);
- throw new StorageObjectException(message);
+ void throwStorageObjectException (String message)
+ throws StorageObjectException {
+ _throwStorageObjectException(null, message);
}
+
}
projects / mir.git / blobdiff